Summary for Araneus marmoreus var. pyramidatus (Araneae)

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National Distribution

 
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Araneus marmoreus var. pyramidatus  Oct 09 Copyright: Trevor Willis
Identification difficulty rating: 2
Name: Araneus marmoreus var. pyramidatus
Authority: Clerck, 1757
Order: Arachnida: Araneae
Family: Araneidae

Records: 461
First Record: 1820
Latest Record: 2017

1992-on hectads: 119
Pre-1992 hectads: 82
Total hectads: 176

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About this species

Recorded altitude range
0m to 275m

Species text

Distribution
The species is widespread but locally distributed in Britain, mainly south of a line between Carmarthenshire and Yorkshire. It is widespread in western and central Europe, but has not been recorded from Ireland.

Habitat and ecology
Both forms may be found in woodlands and wet heathland. Araneus marmoreus is a large orb web spider that spins its web on the lower branches of trees, shrubs and in tall herbaceous vegetation but usually at heights above 1.5 m (Jones 1983). At Wicken Fen the form pyramidatus is common quite low down in webs spun in rank path-side grass (I. Dawson, pers. comm.). Both sexes are adult from late summer through to the autumn.

Status
An uncommon species with two distinct colour varieties. A. marmoreus var. marmoreus is found mainly in an area of eastern England from Norfolk to Yorkshire, where it can be relatively common on the lowland heaths (Smith 1982).

Original author of profile: P. Lee  References

Adult Season

Adult Season Data (based on 151 records with adult season information)


Habitats

background methodology

Broad Habitat Data (based on 205 records with habitat information)

Broad subhabitat Data (based on 29 records with subhabitat information)

Structural Habitat Data (based on 76 records with structural habitat information)

Habitat Detail and Method (based on 82 records with habitat detail and method information)

Recorded management for locations with Araneus marmoreus var. pyramidatus

Recorded substrate and hydrology for locations with Araneus marmoreus var. pyramidatus

Images

Second picture
Second picture
Araneus marmoreus female in retreat head high in Oak sapling
Araneus marmoreus female in retreat head high in Oak sapling
Araneus marmoreous
Araneus marmoreous
Araneus marmoreus var. pyramidatus at Thetford
Araneus marmoreus var. pyramidatus at Thetford
Araneus marmoreus var. pyramidatus  Oct 09
Araneus marmoreus var. pyramidatus Oct 09
Araneus marmoreus var. pyramidatus 2009
Araneus marmoreus var. pyramidatus 2009
Araneus marmoreus var. pyramidatus 2
Araneus marmoreus var. pyramidatus 2
Araneus marmoreus var. pyramidatus
Araneus marmoreus var. pyramidatus
Pyramidatus variant showing dorsal pattern
Pyramidatus variant showing dorsal pattern
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